Method of producing highly densified ceramic articles

Details Method of producing highly densified ceramic articles Method of producing highly densified ceramic articles

1976-05-13

1981-10-20

Parrish, John

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

2643282, 264332, C04B 3558

Patent

active

042960657

ABSTRACT:
A method of producing ceramic articles having a density substantially equal to the theoretical density comprises heating a highly porous preliminary molding made of a ceramic powder to obtain a preliminarily sintered molding of a porosity below 30%, followed by sintering the preliminarily sintered molding under a uniform pressure by the use of a powder acting as a pressure transmitting medium. This method permits producing a ceramic article having a desired shape, and no deformation in it.

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patent: 3887411 (1975-06-01), Goodyear et al.
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patent: 3989438 (1976-11-01), Smith et al.
patent: 4011291 (1977-03-01), Curry
patent: 4041123 (1977-08-01), Lange

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